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    Exam 2: Section 2: Neuroscience and Behavior
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    Researchers Using PET Scans to Study the Opioid System in Long-Distance
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Researchers Using PET Scans to Study the Opioid System in Long-Distance

Question 137

Question 137

Multiple Choice

Researchers using PET scans to study the opioid system in long-distance runners are likely to find increased brain levels of _____ following a long run.


A) pepsin
B) endorphins
C) prolactin
D) insulin

Correct Answer:

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